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What does it mean to make "better" gears? Better gears more closely resemble the intended design parameters.
CMM Inspection vs. GMM Inspection. Speed is the name of the game.
The complete Product News section from the August 2014 issue of Gear Technology.
An in-depth look at the major booths with the latest technology used in gear manufacturing.
Measurement institutions of seven different countries â€” China, Germany, Japan, Thailand, Ukraine, United Kingdom and the U.S. â€” participated in the implementation of the first international comparison of involute gear measurement standards. The German metrology institute Physikalisch-Technische Bundesanstalt (PTB) was chosen as the pilot laboratory as well as the organizer. Three typical involute gear measurement standards provided by the PTB were deployed for this comparison: a profile, a helix and a pitch measurement standard. In the final analysis, of the results obtained from all participants, the weighted mean was evaluated as reference value for all 28 measured parameters. However, besides the measurement standards, the measured parameters, and, most importantly, some of the comparison results from all participants are anonymously presented. Furthermore, mishandling of the measurement standards as occurred during the comparison will be illustrated.
The complete product news section from the September / October 2014 Issue Gear Technology.
The complete Industry News section from the September / October 2014 issue of Gear Technology.
New divisions, open houses and the continued rise of the Industrial Internet of Things - There's been a lot going on in gear grinding in the past year.
The complete Industry News section from the June 2017 issue of Gear Technology.
Revolutionary new inspection technologies are helping gear manufacturers develop and produce more complex, higher quality gears in a fraction of the time it used to take.
The complete Product News section from the July 2014 issue of Gear Technology.
AGMA adds two new committees, Star Cutter Celebrates 90 years, plus other news from around the industry.
Results from the 2017 Powder Metallurgy Design Excellence Awards, plus other news from around the industry.
More than any other field, IIoT overlaps directly with metrology's mission to analyze and measure as much of the manufacturing process as possible, and it's no surprise that the latter is utilizing the former.
New GRSL technology adds value to high-volume transmission gear inspection by combining non-contact laser inspection with tried-and-true composite roll testing.
Delta Research upgrades its Gleason Metrology Workhorses to meet the development requirements of the latest electrical drive vehicles.
See the latest gear industry products from Marposs, GWJ Technology, Norton|Saint Gobain, Mitutoyo, C&B Machinery, DMG Mori, Gear Motions and LK Metrology.
The complete Industry News section from the November/December 2018 issue of Gear Technology.
Compact, custom and portable solutions are gaining more attention in manufacturing today as companies seek out the tools that offer the greatest productivity gains on the shop floor. Gear inspection seems to be following suit.
Part I of this paper, which appeared in the January/February issue of Gear Technology, described the theory behind double-flank composite inspection. It detailed the apparatus used, the various measurements that can be achieved using it, the calculations involved and their interpretation. The concluding Part II presents a discussion of the practical application of double-flank composite inspection -- especially for large-volume operations. It also addresses statistical techniques that can be used in conjunction with double-flank composite inspection, as well as an in-depth analysis of gage R&R for this technique.
Gear metrology is a revolving door of software packages and system upgrades. It has to be in order to keep up with the productivity and development processes of the machines on the manufacturing floor. Temperature compensation, faster inspection times and improved software packages are just a few of the advancements currently in play as companies prepare for new opportunities in areas like alternative energy, automotive and aerospace/defense.
The American Society of Mechanical Engineers (ASME) announced at Gear Expo '95 that a national service for the calibration of involute artifacts is now available at the Department of Energy's Y-12 Plant in Oak Ridge, TN.
It may not be widely recognized that most of the inspection data supplied by inspection equipment, following the practices of AGMA Standard 2015 and similar standards, are not of elemental accuracy deviations but of some form of composite deviations. This paper demonstrates the validity of this â€ścompositeâ€ť label by first defining the nature of a true elemental deviation and then, by referring to earlier literature, demonstrating how the common inspection practices for involute, lead (on helical gears), pitch, and, in some cases, total accumulated pitch, constitute composite measurements.
When parts you manufacture pass through numerous processes such as deep hole drilling, machining, hobbing and grinding, a CMM is essential when your customers require 100 percent in-process and final inspection.
A reader clarifies technology presented in the March/April 2011 issue.
Metrology is a vital component of gear manufacturing. Recent changes in this area, due in large part to the advent of computers, are highlighted in this article by comparison with more traditional methods.
The purpose of gear inspection is to: Assure required accuracy and quality, Lower overall cost of manufacture by controlling rejects and scrap, Control machines and machining practices and maintain produced accuracy as machines and tools wear, Determine hear treat distortions to make necessary corrections.
I noted with interest the beginning of Gear Technology's three-part series on ISO 9000 certification. I also recently attended Brown & Sharpe's/Leitz gear metrology seminar. Both events caused me to smile and reflect.
In recent years, gear inspection requirements have changed considerably, but inspection methods have barely kept pace. The gap is especially noticeable in bevel gears, whose geometry has always made testing them a complicated, expensive and time-consuming process. Present roll test methods for determining flank form and quality of gear sets are hardly applicable to bevel gears at all, and the time, expense and sophistication required for coordinate measurement has limited its use to gear development, with only sampling occurring during production.
In 1993, M & M Precision Systems was awarded a three-year, partial grant from the Advanced Technology Program of the Department of Commerce's National Institute of Standards and Technology (NIST). Working with Pennsylvania State University, M&M embarked on a technology development project to advance gear measurement capabilities to levels of accuracy never before achieved.
GT Videos featuring R&P Metrology, the latest from our Twitter and LinkedIn feeds and an introduction to gearboxfailure.com
It is very common for those working in the gear manufacturing industry to have only a limited understanding of the fundamental principals of involute helicoid gear metrology, the tendency being to leave the topic to specialists in the gear lab. It is well known that quiet, reliable gears can only be made using the information gleaned from proper gear metrology.
In the last section, we discussed gear inspection; the types of errors found by single and double flank composite and analytical tests; involute geometry; the involute cam and the causes and symptoms of profile errors. In this section, we go into tooth alignment and line of contact issues including lead, helix angles, pitch, pitchline runout, testing and errors in pitch and alignment.
This section is dedicated to what's new and what's happening in the world of gear inspection and metrology. Here you will find news about products, companies and organizations, services and events affecting the gear inspection and metrology industry.
The complete Product News section from the October 2012 issue of Gear Technology.
Video from Hexagon Metrology, Back-to-Basics archive, e-mail newsletter updates and what's happening on LinkedIn
The complete Product News section from the June/July 2013 issue of Gear Technology.
The complete Product News Section from the August 2013 issue of Gear Technology.
The complete Product News section from the January/February 2014 issue of Gear Technology.
The complete Product News section from the January/February issue of Gear Technology.
News Items About r&p metrology
1 R&P Metrology Installs Large Mobile Inspection Equipment (May 3, 2016)
R&P Metrology GmbH has announced it has recently installed two very large portable measuring machines, one in Asia and one in Europe.... Read News
2 R&P Metrology Announces RPC 700 (June 17, 2014)
R&P Metrology GmbH has announced the new RPC 700. The RPC 700 is a new, smaller development based on well?proven technologies, extend... Read News
3 SMS Siemag Chooses R&P Metrology for Gear Inspection (June 10, 2014)
SMS Siemag AG understands that to be competitive in today’s global business requires state of the art equipment and technology. Tha... Read News
4 R&P Metrology Offers Special Measuring System (March 7, 2014)
Responding to specific customer requirements, R&P Metrology GmbH announced a new model in their full line of custom metrology systems... Read News
5 R&P Metrology Announces 1600DS Measuring Machine (February 7, 2014)
R&P Metrology GmbH announced a new model in their full line of metrology systems, the RPG 1600DS. This system is designed for gears u... Read News
6 R&P Metrology Announces CMM Capabilities for Portable Gear Inspection (January 13, 2014)
R&P Metrology GmbH announced new measurement capabilities for the RPG PM 750/1250 Portable Gear Metrology machines. When the system i... Read News
7 Kapp Named North American Distributor for R&P Metrology (March 15, 2013)
Kapp Technologies has announced it will be the distributor of Rauth-Pumm Metrology Equipment (R&P) for North America. Rauth-Pumm Metr... Read News